hi you can may get some good deals in www.bookingbuddy.com
here a taxi driver number really cheap and good to get a ride from the airport to cumbuco or any other spot FLAVIO 085 86 49 2886.
As well let us know if you need a place to stay in Cumbuco we hava a extra room available since a friend of us couldn't make this year. http://www.extremecontrol.net/index.php ... 33&lang=en
have a good trip